Making mailcert.sh actually mail certs

1 files changed, 42 insertions, 10 deletions

diff --git a/mailcert.sh b/mailcert.sh
index 7767be6..167e571 100755
--- a/mailcert.sh
+++ b/mailcert.sh
@@ -50,11 +50,13 @@ if ! [ "$USEREMAIL" ]; then # address from cmdline
   fi
 fi
 
+echo ""
 echo CACERT    is assumed to be: "$CACERT"
 echo USERCERT  is assumed to be: "$USERCERT"
 echo USEREMAIL is assumed to be: "$USEREMAIL"
-echo Press Ctrl-C if any of this looks incorrect.
-sleep 5
+echo ""
+echo Press Ctrl-C if any of this looks incorrect, otherwise hit enter.
+read
 
 [[ $(openssl x509 -in omgca/ca/omgca.crt -noout -subject) =~ .+CN=(.+) ]]
 CACN="${BASH_REMATCH[1]}"
@@ -62,12 +64,42 @@ if [[ "$CACN" =~ (.+)/emailAddress.+ ]]; then
   CACN=${BASH_REMATCH[1]}
 fi
 
-# FIXME: implement /usr/lib/sendmail input, including attachment syntax
-# /usr/lib/sendmail -t << EOF
-cat << EOF
-To: "$USEREMAIL"
-From: "$E"
-Subject: Certificate from "$CACN"
-MIME-Version: 1.0
-Content-Type:
+export BOUNDARY="$(dd if=/dev/urandom bs=16 count=1 status=noxfer 2>/dev/null | base64)"
+export USERCERTNAME=$(basename "$USERCERT")
+export CACERTNAME=$(basename "$CACERT")
 
+(
+  echo "To: $USEREMAIL"
+  echo "From: $E"
+  echo "Subject: Certificate from $CACN"
+  echo "User-Agent: cash mailcert.sh"
+  echo "MIME-Version: 1.0"
+  echo "Content-Type: multipart/mixed; boundary=\"$BOUNDARY\""
+  echo ""
+  echo "This is a multipart message in MIME format."
+  echo ""
+  echo "--$BOUNDARY"
+  echo "Content-Type: text/plain"
+  echo "Content-Disposition: inline"
+  echo ""
+  echo "You'll want both of these."
+  echo ""
+  echo "$USERCERTNAME is your user certificate."
+  echo ""
+  echo "$CACERTNAME is the certificate authority certificate."
+  echo "--$BOUNDARY"
+  echo "Content-Type: application/x-x509-ca-cert"
+  echo "Content-Disposition: attachment; filename=\"$USERCERTNAME\""
+  echo ""
+  cat "$CACERT"
+  echo ""
+  echo "--$BOUNDARY"
+  echo "Content-Type: application/x-x509-ca-cert"
+  echo "Content-Disposition: attachment; filename=\"$CACERTNAME\""
+  echo ""
+  cat "$USERCERT"
+  echo ""
+  echo "--$BOUNDARY--"
+) | /usr/lib/sendmail -t
+
+echo "Sent!"